89 lines
2.4 KiB
Java
89 lines
2.4 KiB
Java
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.facebook.jni;
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import static org.fest.assertions.api.Assertions.assertThat;
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import java.nio.Buffer;
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import java.nio.ByteBuffer;
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import java.nio.ByteOrder;
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import java.nio.FloatBuffer;
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import org.junit.Test;
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public class ByteBufferTests extends BaseFBJniTests {
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@Test
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public void testDirectByteBuffer() {
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assertThat(nativeTestDirectByteBuffer()).isTrue();
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}
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public static native boolean nativeTestDirectByteBuffer();
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@Test
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public void testEmptyDirectByteBuffer() {
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assertThat(nativeTestEmptyDirectByteBuffer()).isTrue();
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}
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public static native boolean nativeTestEmptyDirectByteBuffer();
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@Test
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public void testRewindBuffer() {
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assertThat(nativeTestRewindBuffer()).isTrue();
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}
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public native boolean nativeTestRewindBuffer();
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@Test
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public void testAllocateDirect() {
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ByteBuffer buffer = nativeAllocateDirect(5);
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assertThat(buffer.isDirect()).isTrue();
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assertThat(buffer.capacity()).isEqualTo(5);
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}
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public native ByteBuffer nativeAllocateDirect(int size);
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// called from native
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public static void writeBytes(ByteBuffer dest, byte a, byte b, byte c, byte d) {
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dest.put(a).put(b).put(c).put(d);
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}
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@Test
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public void testFloatBuffer() {
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final int BUFFER_COUNT = 5;
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final int FLOAT_SIZE = 4;
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FloatBuffer buffer =
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ByteBuffer.allocateDirect(BUFFER_COUNT * FLOAT_SIZE)
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.order(ByteOrder.nativeOrder())
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.asFloatBuffer();
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buffer.put(1f);
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buffer.put(2f);
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buffer.put(2.5f);
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buffer.put(2.75f);
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buffer.put(3f);
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assertThat(nativeTestFloatBuffer(buffer)).isTrue();
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}
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public native boolean nativeTestFloatBuffer(Buffer buffer);
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@Test
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public void testByteBufferOrder() {
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ByteBuffer buffer = nativeByteBufferOrder();
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assertThat(buffer.getInt()).isEqualTo(1);
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}
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public native ByteBuffer nativeByteBufferOrder();
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}
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